package com.qjsp.service.admin;

import java.util.List;

import com.qjsp.doman.User;

public interface UserService {



	public List<User> selectAll();

	public User findById(String id);
	
	public User findByUserName(String userName);
	
	public int countAll();
	
	/*
	 * ����ɾ�����
	 */
	public int insert(User user);
	
	public int update(User user);
	
	public int delete(String userName);
}
